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Voice typing in Slack on a Mac
Use macOS Dictation to dictate into Slack message boxes, or use Voice Type for a dedicated hold‑to‑dictate hotkey.
← Back to Learn  |    Mac Dictation guide

Slack doesn’t require a special dictation feature on macOS. The reliable approach is to use  system-wide  Dictation (it types at your cursor anywhere you can type), including Slack’s message input.

Enable Dictation (once)

Open System Settings → Keyboard → Dictation.

Switch Dictation to On.

Confirm your Dictation shortcut (often Fn twice).

Dictate a Slack message

Open Slack and click into the message box.

Start Dictation (microphone key if present, or the Dictation shortcut).

Speak. Use punctuation like “comma” and “new paragraph”.

Stop Dictation to insert the text.
Tip: Dictation works best for sentences/paragraphs. For quick edits, keyboard navigation is still faster.

Troubleshooting

Make sure Slack is allowed in System Settings → Privacy & Security → Microphone.

Test mic input in System Settings → Sound.

If Dictation doesn’t start anywhere, use:  Dictation not working on Mac .

If you dictate all day (workflow)
If you want a consistent hotkey workflow across Slack, email, Zoom, and docs, Voice Type adds a dedicated hold‑to‑dictate hotkey and stays on-device:  voice typing for Mac .

Sources

Apple: Dictate messages and documents on Mac

Apple: Control access to the microphone on Mac


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